Stainless steel pipe widely used in petroleum,chemical industry,electric power,boiler, ... , XXS ASTM, JIS, DIN Standard The most competitive prices NameS304 STAINLESS STEEL SEAMLESS PIPESSize1/8’’ to 72’’PressureSCH 5S TO SCH 160,XXSConnectionButt ... , WP7, WP8, and WP91 Stainless Steel Butt Welding Pipe fitting:ASME A403 WP304,304L,316,316L, 319, 310S, 321, 321H S304 Stainless Steel Seamless Pipes